import Axios, {
  type AxiosInstance,
  type AxiosRequestConfig,
  type CustomParamsSerializer
} from "axios";
import type {
  PureHttpError,
  RequestMethods,
  PureHttpResponse,
  PureHttpRequestConfig
} from "./types.d";
import { stringify } from "qs";
import NProgress from "../progress";
import { getSignature } from "@/utils/sign";
import { message } from "@/utils/message";
import { useUserStoreHook } from "@/store/modules/user";
import { getLocation } from "@pureadmin/utils";
const { VITE_API_URL } = import.meta.env;
interface CustomPureHttpRequestConfig extends PureHttpRequestConfig {
  closeNProgress?: boolean; // 关闭进度条动画
}
// 相关配置请参考：www.axios-js.com/zh-cn/docs/#axios-request-config-1
const defaultConfig: AxiosRequestConfig = {
  baseURL: VITE_API_URL,
  // 请求超时时间
  timeout: 10000,
  headers: {
    Accept: "application/json, text/plain, */*",
    "Content-Type": "application/json",
    "X-Requested-With": "XMLHttpRequest"
  },
  // 数组格式参数序列化（https://github.com/axios/axios/issues/5142）
  paramsSerializer: {
    serialize: stringify as unknown as CustomParamsSerializer
  }
};

class PureHttp {
  constructor() {
    this.httpInterceptorsRequest();
    this.httpInterceptorsResponse();
  }
  /** 初始化配置对象 */
  private static initConfig: CustomPureHttpRequestConfig = {};

  /** 保存当前`Axios`实例对象 */
  private static axiosInstance: AxiosInstance = Axios.create(defaultConfig);
  /** 请求拦截 */
  private httpInterceptorsRequest(): void {
    PureHttp.axiosInstance.interceptors.request.use(
      async (config: CustomPureHttpRequestConfig): Promise<any> => {
        if (!config.closeNProgress) {
          // 开启进度条动画
          NProgress.start();
        }
        // 优先判断post/get等方法是否传入回调，否则执行初始化设置等回调
        if (typeof config.beforeRequestCallback === "function") {
          config.beforeRequestCallback(config);
          return config;
        }
        if (PureHttp.initConfig.beforeRequestCallback) {
          PureHttp.initConfig.beforeRequestCallback(config);
          return config;
        }
        const token = useUserStoreHook().userinfo?.token;
        const signature = getSignature(config);
        config.headers = { ...config.headers, ...signature, token };
        /** 请求白名单，放置一些不需要`token`的接口（通过设置请求白名单，防止`token`过期后再请求造成的死循环问题） */
        const whiteList = ["/refresh-token", "/login"];
        return whiteList.some(url => config.url.endsWith(url))
          ? config
          : new Promise(resolve => {
              resolve(config);
            });
      },
      error => {
        return Promise.reject(error);
      }
    );
  }

  /** 响应拦截 */
  private httpInterceptorsResponse(): void {
    const instance = PureHttp.axiosInstance;
    instance.interceptors.response.use(
      (response: PureHttpResponse) => {
        const $config = response.config;
        // 关闭进度条动画
        NProgress.done();
        // 优先判断post/get等方法是否传入回调，否则执行初始化设置等回调
        if (typeof $config.beforeResponseCallback === "function") {
          $config.beforeResponseCallback(response);
          return response.data;
        }
        if (PureHttp.initConfig.beforeResponseCallback) {
          PureHttp.initConfig.beforeResponseCallback(response);
          return response.data;
        }
        if (response.data.code === "NOT_LOGGED_IN") {
          const { pathname, search } = getLocation();
          const redirect = pathname + search;
          useUserStoreHook().logOut(redirect);
          return response.data;
        }
        return response.data;
      },
      (error: PureHttpError) => {
        const $error = error;
        apiErrorHandler($error);
        $error.isCancelRequest = Axios.isCancel($error);
        // 关闭进度条动画
        NProgress.done();
        // 所有的响应异常 区分来源为取消请求/非取消请求
        return Promise.reject($error);
      }
    );
  }

  /** 通用请求工具函数 */
  public request<T>(
    method: RequestMethods,
    url: string,
    param?: AxiosRequestConfig,
    axiosConfig?: CustomPureHttpRequestConfig
  ): Promise<T> {
    const config = {
      method,
      url,
      ...param,
      ...axiosConfig
    } as CustomPureHttpRequestConfig;

    // 单独处理自定义请求/响应回调
    return new Promise((resolve, reject) => {
      PureHttp.axiosInstance
        .request(config)
        .then((response: undefined) => {
          resolve(response);
        })
        .catch(error => {
          reject(error);
        });
    });
  }

  /** 单独抽离的`post`工具函数 */
  public post<T, P>(
    url: string,
    params?: AxiosRequestConfig<P>,
    config?: CustomPureHttpRequestConfig
  ): Promise<T> {
    return this.request<T>("post", url, params, config);
  }

  /** 单独抽离的`get`工具函数 */
  public get<T, P>(
    url: string,
    params?: AxiosRequestConfig<P>,
    config?: CustomPureHttpRequestConfig
  ): Promise<T> {
    return this.request<T>("get", url, params, config);
  }
}

function apiErrorHandler(error) {
  const $error = error;
  if (!$error.response?.status) {
    return;
  }
  const code = $error.response.status;
  const data = $error.response.data;
  const config = $error.config;
  if (code === 401) {
    useUserStoreHook().logOut();
    return;
  }
  let tip = {
    type: "error",
    content: `错误信息：${data?.info || code}。接口地址：${config?.url}`,
    duration: 5
  };
  if (code === 500) {
    tip = {
      type: "error",
      content: `错误信息：${data?.info || code}。错误代码：${data?.requestId}。接口地址：${config?.url}`,
      duration: 5
    };
  }
  message(tip.content, { type: "error" });
}

export const http = new PureHttp();
